LawnByCounty

Lawn Care Guide for Clark County

Clark County, Kentucky

USDA SSURGO / PHZM

Data Story

About Lawn Care in Clark County, Kentucky

Clark County leads the state in lawn ease

With a difficulty score of 72.6, Clark County is significantly easier to manage than the national median and the Kentucky state average of 66.3. Its location in USDA hardiness zone 6b provides a reliable foundation for lush, healthy turf.

Predictable rainfall supports consistent growth

The county receives 48.1 inches of annual precipitation, which falls perfectly within the ideal 30-50 inch range for lawn health. Local lawns face only 24 extreme heat days per year, fewer than the state average of 30, reducing the risk of mid-summer dormancy.

Naturally balanced soil simplifies yard work

A soil pH of 6.16 puts Clark County right in the sweet spot for nutrient absorption without heavy intervention. The soil composition of 27.8% clay helps retain moisture while the 18.6% sand content prevents total saturation.

Strong drought resistance keeps grass green

The county experienced only two weeks of drought over the past year and currently reports no abnormally dry areas. To maintain this resilience, homeowners should continue deep, infrequent watering during the hottest summer months.

Start your cool-season lawn this fall

Tall fescue and Kentucky Bluegrass thrive in zone 6b, particularly when seeded in the early autumn. While local frost dates vary, aim for late September to ensure strong root establishment before the ground freezes.

Lawn Difficulty Score

13/100
Easy
Rainfall6/100
Soil Quality0/100
Temperature12/100
Growing Season5/100
Drought4/100

Soil Summary

pH

6.2

Texture

N/A

Drainage

N/A

Organic Matter

2.8%

View full soil details

Top Grass Fit for Clark County

100/ 100

Excellent match

Outsidepride Midnight Kentucky Bluegrass Seed

Outsidepride

Top cultivar score: 100/100

USDA Zone Match100

Zone 6b vs Kentucky Bluegrass's 3–7 band.

Soil pH Fit100

Soil pH 6.15979216822938 vs Kentucky Bluegrass's 6–7 window.

Moisture Fit100

Precipitation 48.12" + soil AWC vs Kentucky Bluegrass's 30–40" need.

Let's be direct: Outsidepride Midnight Kentucky Bluegrass is one of the best pure KBG seeds you can buy online, and it's not particularly close. Midnight is a specific cultivar — not a generic "Kentucky bluegrass blend" — and that distinction matters enormously.
From The Lawn Report editorial review • rated 4.7/5
Shop Outsidepride Midnight Kentucky Bluegrass Seed

In Clark County, USDA zone 6b, soil pH 6.2, Outsidepride Midnight Kentucky Bluegrass Seed scores 100/100 — a strong zone match and adequate moisture.

Recommended Grasses

Cool-Season

Kentucky Bluegrass

Poa pratensis

Drought: 2/5Shade: 2/5
Suitability70%
View Seeds
Cool-SeasonTransition Zone

Tall Fescue

Festuca arundinacea

Drought: 4/5Shade: 3/5
Suitability70%
View Seeds
Cool-Season

Perennial Ryegrass

Lolium perenne

Drought: 2/5Shade: 2/5
Suitability70%
View Seeds
Cool-Season

Fine Fescue

Festuca spp.

Drought: 3/5Shade: 5/5
Suitability70%
View Seeds

Best Grass Seed for Clark County

Zone 6bCool- and warm-season grasses thrive here.

Find Seeds for Zone 6b

Climate Snapshot

Annual Precip

48.1"

Growing Degree Days

N/A

Base 50F

Last Spring Frost

N/A

First Fall Frost

N/A

Days Above 95F

24

Hardiness Zone

6b

Seeding Calendar — Zone 6B

J
F
M
A
M
J
J
A
S
O
N
D
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Cool Seed (Best)
Cool Seed (OK)
Warm Seed (Best)
Warm Seed (OK)
Optimal (cool)
Acceptable (cool)
Optimal (warm)
Acceptable (warm)

Seasonal Lawn Care Checklist

Spring

  • Apply pre-emergent herbicide when soil reaches 55F
  • Begin mowing when grass reaches 3 inches
  • Start irrigation if rainfall is below 1 inch/week
  • Soil test every 2-3 years — adjust lime or sulfur as needed

Summer

  • Mow at recommended height weekly
  • Water deeply 1-2 times per week (1 inch total)
  • Avoid fertilizing cool-season grasses in peak heat
  • Scout for grubs and treat if >10 per sq ft

Fall

  • Overseed warm-season lawns if thinning
  • Apply fall fertilizer (highest N application for cool-season)
  • Continue mowing until growth stops
  • Rake or mulch leaves to prevent smothering

Winter

  • Apply pre-emergent for winter weeds
  • Service mower and sharpen blades
  • Plan spring soil amendments based on fall test
  • Keep lawn clear of debris

Watering Deficit Calculator

50020,000 sq ft

Monthly Deficit

0.0"

inches of water

Monthly Water

0

gallons

Estimated Monthly Cost

$0.00

at $0.008/gallon average

Estimates based on 48" annual precipitation and estimated evapotranspiration. Actual costs vary by local water rates.

Lawn Care Advisory: Clark County

Lawn Verdict

Clark County sits in USDA hardiness zone 6b, a transitional zone where cool-season grasses dominate but some warm-season varieties can survive. with winter lows reaching around -5.0°F. Moderate rainfall (48.1 inches) generally supports healthy lawns with minimal supplemental watering.

Seasonal Breakdown

Target mid-to-late spring for seeding once soil temperatures stabilize above 50°F. Cool summers (July averages 76.8°F) reduce heat stress — maintain regular mowing and moderate watering. Fall is the prime seeding season here; aerate, overseed, and fertilize cool-season grasses before October. Cool winters (January averages 35.3°F) mean slow or dormant growth; keep debris off the lawn.

Watering Guidance

With 48.1 inches of annual rainfall, established lawns typically need watering only during extended dry spells. The county is currently free of drought conditions. Standard warm-season watering of 1 inch per week is usually adequate during summer.

Regional Context

Clark County is close to the Kentucky average temperature, USDA zone 6b helps guide grass selection compared to neighboring counties.

Want detailed soil composition, drainage classes, and soil series data? View soil details on SoilByCounty.com

Frequently Asked Questions

What USDA hardiness zone is Clark County in?
Clark County is located in USDA hardiness zone 6b, based on the 2023 USDA Plant Hardiness Zone Map. This zone helps determine which grass species are most likely to thrive in the county's climate.
What is the best grass for Clark County?
Kentucky Bluegrass is the top recommendation for Clark County, with a match score of 70/100. It grows best in zones 3a–7a and requires 30–40 inches of water annually.
How much rainfall does Clark County get?
Clark County receives an average of 48.1 inches of precipitation per year, based on NOAA 30-year climate normals. This provides adequate moisture for most lawn grasses with occasional supplemental watering during dry spells.
What is the soil pH in Clark County?
The average soil pH in Clark County is 6.2, based on USDA SSURGO data. This near-neutral pH supports most common lawn grasses with minimal soil amendment.

Data sourced from USDA SSURGO, NOAA Climate Normals (1991-2020), USDA Plant Hardiness Zone Map, and US Drought Monitor. Lawn difficulty scores and grass recommendations are estimates for informational purposes only.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor